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tracing: Add __print_symbolic_u64 to avoid warnings on 32bit machine

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Filesystem, like Btrfs, has some "ULL" macros, and when these macros are passed
to tracepoints'__print_symbolic(), there will be 64->32 truncate WARNINGS during
compiling on 32bit box.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Link: http://lkml.kernel.org/r/4DACE6E0.7000507@cn.fujitsu.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
liubo
2011-04-19 09:35:28 +08:00
committed by Steven Rostedt
parent 3b6cfdb171
commit 2fc1b6f0d0
3 changed files with 52 additions and 0 deletions
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12
include/linux/ftrace_event.h
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@@ -16,6 +16,11 @@ struct trace_print_flags {
const char *name;
};
struct trace_print_flags_u64 {
unsigned long long mask;
const char *name;
};
const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
unsigned long flags,
const struct trace_print_flags *flag_array);
@@ -23,6 +28,13 @@ const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
const char *ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
const struct trace_print_flags *symbol_array);
#if BITS_PER_LONG == 32
const char *ftrace_print_symbols_seq_u64(struct trace_seq *p,
unsigned long long val,
const struct trace_print_flags_u64
*symbol_array);
#endif
const char *ftrace_print_hex_seq(struct trace_seq *p,
const unsigned char *buf, int len);